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Toolhelix›ISO insert code›TCMT 110202

TCMT 110202

What TCMT 110202 means, letter by letter: triangular 60°, positive, 7° clearance, tolerance M, 40–60° countersunk hole, chipbreaker one side. Inscribed circle 6.35 mm, thickness 2.38 mm, nose radius 0.2 mm.

1 · SHAPETriangular 60°T
2 · CLEARANCE7°C
3 · TOLERANCEClass Mmedium, pressed
4 · TYPET40–60° countersunk hole, chipbreaker one side
5 · SIZE11inscribed Ø 6.35 mm · cutting edge 11.0 mm
6 · THICKNESS2.38 mm02
7 · NOSE RADIUS0.2 mm02
IC 6.35s 2.38clearance 7°rε 0.2
To scale: top view with the inscribed circle (blue dashes) and, on the right, the side view with the thickness. The grey dashes mark the chipbreaker; its real shape is up to the manufacturer.

TCMT 110202 dimensions

Inscribed circle IC6.35 mm
Cutting edge length11.00 mm
Thickness s2.38 mm
Nose radius rε0.2 mm
Corner angle60°
Clearance angle7°
Tolerance MIC ±0.05 · corner height ±0.08 · thickness ±0.13 mm

What TCMT 110202 tells you on the shop floor

60° corner: general turning, three corners (six edges if double-sided negative); not as strong as C and W.

Positive insert (7°): lower cutting forces and less chatter. For finishing, boring, thin-walled parts and lighter machines.

Pressed, medium tolerance: economical, fine for roughing and where you do not need repeatability to a few hundredths of a mm at every insert change.

Small radius: lower forces and chatter, good finish at low feed.

Typical holders for TCMT

For a positive triangular 60° insert the most common ISO 5608 holders are:

The final R or L means right or left hand. Shank size, length and the exact clamping are in the manufacturer's catalogue.

Toolholders that take it

Other TCMT sizes

Same size, other version

Designation to ISO 1832; reference tables: Mitsubishi Materials turning catalogue (insert identification). Holders to ISO 5608. Chipbreaker, grade and cutting data differ between manufacturers: the catalogue of the insert you use is what counts.

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Frequently asked questions

What does TCMT 110202 mean?

TCMT 110202: triangular 60°, positive, 7° clearance, tolerance M, 40–60° countersunk hole, chipbreaker one side. Inscribed circle 6.35 mm, thickness 2.38 mm, nose radius 0.2 mm.

What is the inscribed circle of TCMT 110202?

6.35 mm, with a 11.0 mm cutting edge.

Which holder takes TCMT 110202?

An ISO 5608 holder for positive triangular 60° inserts, for example STGCR/L or STFCR/L.

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